Who can test backflow prevention assemblies?
All backflow prevention assemblies must be tested by a state of Washington Certified BAT. Puyallup Water provides a list of testers to our customers. This list is not a recommendation - just a list to help you get started. You can find additional testers on the Washington Certification Services website.

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1. Who can I contact if I have questions?
2. Why do I have to test my backflow prevention assembly every year?
3. Who can test backflow prevention assemblies?
4. I have my backflow assembly tested every year as required, but my neighbor says he has never heard of the testing requirement. Why is that?
5. I am not using my irrigation system anymore. Do I still need to test the backflow assembly?
6. What will happen if I choose not to test my backflow prevention assembly?